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[cairo-xlib] Implement _cairo_xlib_surface_solid_fill_rectangles() (#11529)

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Ginn Chen 2008-05-27 04:44:08 -04:00 • committed by Behdad Esfahbod
parent f90b155b5a
commit 07fef4f480
1 changed files with 64 additions and 2 deletions
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66
src/cairo-xlib-surface.c
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@ -1614,12 +1614,67 @@ _cairo_xlib_surface_composite (cairo_operator_t op,
return status;
}
static cairo_int_status_t
_cairo_xlib_surface_solid_fill_rectangles (cairo_xlib_surface_t *surface,
const cairo_color_t *color,
cairo_rectangle_int_t *rects,
int num_rects)
{
XGCValues gcv;
int a_width=0, r_width=0, g_width=0, b_width=0;
int a_shift=0, r_shift=0, g_shift=0, b_shift=0;
int a = color->alpha_short >> 8;
int r = color->red_short >> 8;
int g = color->green_short >> 8;
int b = color->blue_short >> 8;
int i;
if (surface->visual->class == TrueColor) {
_characterize_field (surface->a_mask, &a_width, &a_shift);
_characterize_field (surface->r_mask, &r_width, &r_shift);
_characterize_field (surface->g_mask, &g_width, &g_shift);
_characterize_field (surface->b_mask, &b_width, &b_shift);
gcv.foreground = (_field_from_8 (a, a_width, a_shift) |
_field_from_8 (r, r_width, r_shift) |
_field_from_8 (g, g_width, g_shift) |
_field_from_8 (b, b_width, b_shift));
} else {
cairo_xlib_visual_info_t *visual_info;
cairo_int_status_t status;
status = _cairo_xlib_screen_get_visual_info (surface->screen_info,
surface->visual,
&visual_info);
if (status)
return CAIRO_INT_STATUS_UNSUPPORTED;
gcv.foreground =
visual_info->rgb333_to_pseudocolor[_field_from_8 (r, 3, 6) |
_field_from_8 (g, 3, 3) |
_field_from_8 (b, 3, 0)];
}
GC xgc = XCreateGC (surface->dpy, surface->drawable, GCForeground,
&gcv);
if (!xgc)
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
for (i = 0; i < num_rects; i++) {
XFillRectangle (surface->dpy, surface->drawable, xgc,
rects[i].x, rects[i].y,
rects[i].width, rects[i].height);
}
XFreeGC(surface->dpy, xgc);
return CAIRO_STATUS_SUCCESS;
}
static cairo_int_status_t
_cairo_xlib_surface_fill_rectangles (void *abstract_surface,
cairo_operator_t op,
const cairo_color_t *color,
cairo_rectangle_int_t *rects,
int num_rects)
int num_rects)
{
cairo_xlib_surface_t *surface = abstract_surface;
XRenderColor render_color;
@ -1629,8 +1684,15 @@ _cairo_xlib_surface_fill_rectangles (void *abstract_surface,
_cairo_xlib_display_notify (surface->screen_info->display);
if (!CAIRO_SURFACE_RENDER_HAS_FILL_RECTANGLE (surface))
if (!CAIRO_SURFACE_RENDER_HAS_FILL_RECTANGLE (surface)) {
if (op == CAIRO_OPERATOR_CLEAR ||
((op == CAIRO_OPERATOR_SOURCE || op == CAIRO_OPERATOR_OVER) &&
CAIRO_COLOR_IS_OPAQUE(color))) {
return _cairo_xlib_surface_solid_fill_rectangles(surface, color,
rects, num_rects);
}
return CAIRO_INT_STATUS_UNSUPPORTED;
}
render_color.red = color->red_short;
render_color.green = color->green_short;